“Mad Men” Co-Stars Alexis Bledel, Vincent Kartheiser Engaged

Updated at 3:22 pm, March 20th, 2013

Mad Men co-stars Alexis Bledel, 31, and Vincent Kartheiser, 33, are taking their on-screen passion off screen. The two, who went public with their romance last October, are engaged, a representative for the actress confirmed to ABC News Radio.